// 组件3，导航栏
//如果用js写组件，不用import引入react库
const myStyle2={
    width:'99.5%',
    height:'150px',
    border:'3px solid black',
    textAlign:'center',
    lineHeight:'150px',
    fontSize:'80px',
    fontWeight:'bold'
}
const e = React.createElement;
export default class App03 extends React.Component{
    render(){
        return e(
            'div',{style:myStyle2},'票务服务'
        )
    }
}

ReactDOM.render(
    e(App03),document.getElementById("root3")
)
